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要隔离的.
8 U; K f4 ?! e9 G. c" e- _
8 @! V% h8 W6 \/ K. y/ ], a要求: l, g5 l6 X1 x
7 Marking
5 |8 Y9 b, l) m* _2 T) G8 Protection against accidental contact with live parts, a% m% d# {' K/ y
9 Terminals
0 f/ q9 j9 z# a1 _/ L8 M0 d8 @10 Provisions for protective earthing
' A& g& j/ ]. n/ f11 Moisture resistance and insulation8 U/ \4 ?5 D0 v
12 Electric strength3 Q! _7 `% ^; \6 u7 j' g. A/ E% p- p
13 Thermal endurance test for windings of ballasts
u, J( _7 _: R: y# }# ^14 Fault conditions8 p& Y, n0 g: W
15 Transformer heating
, T, J) L0 G9 S$ v2 z16 Abnormal conditions
) @+ q4 F6 B8 A; g6 `17 Construction
& \7 }3 o6 t1 L18 Creepage distances and clearances4 x0 T9 \. J K3 U
19 Screws, current-carrying parts and connections
9 Z9 V6 M! U+ U& q7 A20 Resistance to heat, fire and tracking; `" @* o( v" C" ?* i
21 Resistance to corrosion |
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